42720887

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 48048000

約数和(自身を除く): 5327113

約数列:

[1, 11, 43, 181, 473, 499, 1991, 5489, 7783, 21457, 85613, 90319, 236027, 993509, 3883717, 42720887]

約数ペア:

[(1, 42720887), (11, 3883717), (43, 993509), (181, 236027), (473, 90319), (499, 85613), (1991, 21457), (5489, 7783)]